Why do we use JSP?
It is used to create dynamic web content. It is a Web based technology helps us to create dynamic and platform independent web pages. In this, Java code can be inserted in HTML/ XML pages or both. JSP is first converted into servlet by JSP container before processing the client’s request.
Is JSP a client side scripting language?
JSP is not a client side language. It’s a server side language which can be used to generate client side code. HTML, CSS and JS are client side languages.
Why JSP is server side scripting language?
JSP stands for Java Server Pages, a server-side scripting language which helps developers to create dynamic web pages based on HTML, XML or other types. It was created by Sun Micro systems.
Is JSP server side or client side?
JSP is a server side technology but it is rendered in user browser which is a client side.
Is JSP front-end or backend?
If you are looking for a solution in which you can separate the two parts, look no further. JavaServer Pages (JSP) are here. JSP pages allow you to separate front-end presentation from business logic (middle and back-end tiers). It is a great Rapid Application Development (RAD) approach to Web applications.
Which JSP life cycle is correct order?
Which one is the correct order of phases in JSP life cycle? Explanation: The correct order is Compilation, Initialization, Execution, Cleanup.
What is the first stage in JSP lifecycle?
A Java servlet file is generated from a JSP source file. This is the first step of JSP life cycle. In translation phase, container validates the syntactic correctness of JSP page and tag files.
What is JSP and its architecture?
The JSP container is responsible for intercepting requests for JSP pages. This tutorial makes use of Apache which has built-in JSP container to support JSP pages development. A JSP container works with the Web server to provide the runtime environment and other services a JSP needs.
Which JSP tag is used to give declaration?
The jsp scriptlet tag can only declare variables not methods. The jsp declaration tag can declare variables as well as methods. The declaration of scriptlet tag is placed inside the _jspService() method. The declaration of jsp declaration tag is placed outside the _jspService() method.
How JSP is compiled?
A JSP page services requests as a servlet. When a request is mapped to a JSP page, the web container first checks whether the JSP page’s servlet is older than the JSP page. If the servlet is older, the web container translates the JSP page into a servlet class and compiles the class.
Is a JSP A servlet?
A JSP is NOT a servlet. However the container like Tomcat use Jasper engine to compile a JSP into a servlet class.
Does JSP need to be compiled?
4 Answers. As long as it is JSP, you dont need to compile/convert. The application server automatically translates your JSP into corresponding servlet, a Java file (on the first hit to the JSP), and then compiles it to class file.
What happens when a JSP page is called?
A simple JSP page (. jsp) consists of HTML markup embedded with JSP tags. When the file is processed on the server, the HTML is rendered as the application view, a web page. The embedded JSP tags will be used to call server-side code and data.
What is the difference between JSP and servlets?
Servlets are faster as compared to JSP, as they have a short response time. JSP is slower than Servlets, as the first step in the JSP lifecycle is the conversion of JSP to Java code and then the compilation of the code. Servlets are Java-based codes. JSP are HTML-based codes.